TY  - CONF
A1  - Michael, P.W.
T1  - The control of thistles Silybum and Onopordum by perennial pasture species
Y1  - 1960
VL  - 1
CY  - Canberra, A.C.T.
T3  - Second Australian Weeds Conference
Y2  - 1-4 August 1960
SP  - 51
EP  - 62
UR  - http://www.caws.org.au/awc/1960/awc196010511.pdf
ER  -